Armitron 40/8482GBK
Armitron Sport Digital Chronograph Watch User Manual
Model: 40/8482GBK | Brand: Armitron Sport
Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Armitron Sport Digital Chronograph Watch, model 40/8482GBK. Please read this manual carefully to ensure proper use and to maximize the lifespan of your watch.
Product Overview
Watch Components
The Armitron Sport Digital Chronograph Watch features a metallic grey resin case with a black top ring, an LCD display, and a black silicone strap. It is equipped with four control buttons for various functions.

Figure 1: Front view of the Armitron Sport Digital Chronograph Watch, showing the digital display and overall design.
Button Functions
Familiarize yourself with the watch's buttons and their primary functions:
- SET Button (Top Left): Used to enter and exit setting modes, and to confirm selections.
- MODE Button (Bottom Left): Cycles through different watch modes (Time, Chronograph, Dual Time, Alarm, Countdown Timer).
- ADJ Button (Top Right): Adjusts values when in setting mode, or starts/stops functions in other modes.
- EL Button (Bottom Right): Activates the backlight for the display.


Figure 2: Left side of the watch showing SET and MODE buttons (left), and right side showing ADJ and EL buttons (right).
Setup
Initial Time Setting
- From the normal time display, press and hold the SET button until the seconds begin to flash. This indicates you are in setting mode.
- Press the MODE button to cycle through the settings: Seconds → Hours → Minutes → Year → Month → Day.
- Use the ADJ button to increase the flashing value. Hold ADJ to rapidly advance the value.
- Once all settings are correct, press the SET button again to exit the setting mode and save your changes.
Operating Instructions
Chronograph Function
The chronograph measures elapsed time.
- From the normal time display, press the MODE button until "CH" (Chronograph) appears on the display.
- Press the ADJ button to start the chronograph.
- Press the ADJ button again to pause the chronograph.
- To resume, press ADJ. To reset to zero, press the SET button while the chronograph is paused.
Dual Time
Set and view a second time zone.
- Press the MODE button until "DT" (Dual Time) appears.
- Press and hold the SET button until the hours flash.
- Use the ADJ button to adjust the hours. Press MODE to switch to minutes, then use ADJ to adjust.
- Press SET to confirm and exit.
Alarm Settings
The watch features three independent alarms.
- Press the MODE button until "AL" (Alarm) appears. Continue pressing MODE to cycle through AL1, AL2, AL3.
- Press and hold the SET button until the alarm hours flash.
- Use the ADJ button to set the hours. Press MODE to switch to minutes, then use ADJ to set.
- Press SET to confirm. Press ADJ to toggle the alarm ON/OFF.
Military Time (24-Hour Format)
The watch can display time in either 12-hour (AM/PM) or 24-hour (military) format.
- From the normal time display, press the ADJ button to toggle between 12-hour and 24-hour formats.
Countdown Timer
Set a timer to count down from a specified duration.
- Press the MODE button until "TMR" (Timer) appears.
- Press and hold the SET button until the hours flash.
- Use the ADJ button to set the desired hours, minutes, and seconds, cycling with the MODE button.
- Press SET to confirm the countdown time.
- Press ADJ to start or pause the countdown. When the timer reaches zero, an alarm will sound.
Backlight
Illuminate the display for visibility in low light conditions.
- Press the EL button (bottom right) to activate the backlight. The backlight will remain on for approximately three seconds.
Maintenance
General Care
- Clean your watch regularly with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
- Avoid exposing the watch to extreme temperatures, direct sunlight for prolonged periods, or strong magnetic fields.
- If the display becomes dim or unresponsive, the battery may need replacement. It is recommended to have the battery replaced by a qualified watch technician to ensure water resistance is maintained.
Water Resistance
This watch is water resistant to 330 feet (100 meters). This rating means it is suitable for swimming and snorkeling, but not for scuba diving. Do not operate buttons underwater.

Figure 3: Water Resistance Chart. This watch is rated for 100M (330FT), suitable for swimming and snorkeling.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead battery. | Replace the battery. Consult a professional watch technician. |
| Buttons are unresponsive. | Watch may be in a locked mode or internal issue. | Try pressing all buttons to see if any response. If unresponsive, a reset may be needed (consult professional). |
| Time is inaccurate. | Incorrect time setting or low battery. | Re-set the time following the "Initial Time Setting" instructions. If problem persists, replace battery. |
| Water inside the watch. | Water resistance compromised or buttons pressed underwater. | Immediately take the watch to a professional for inspection and repair to prevent further damage. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 40/8482GBK |
| Display Type | Digital LCD |
| Case Material | Metallic Grey Resin |
| Strap Material | Black Silicone |
| Water Resistance | 100 meters (330 feet) |
| Functions | Chronograph, Dual Time, Three Alarms, Military Time, Countdown Timer, Backlight |
| Battery | 1 Product Specific battery (included) |
| Dimensions (Parcel) | 10.39 x 9.8 x 7.7 cm |
| Weight (Parcel) | 141 g |
| First Available | Jan. 5 2022 |
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your purchase or visit the official Armitron Sport website. Keep your proof of purchase for any warranty claims.
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